\begin{table}[htbp]\centering
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\caption{Switching Vote, IV - Routine (dummy), US \label {tab:task3cog2and3}}
\begin{tabular}{l*{4}{c}}
\hline\hline
                &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}&\multicolumn{1}{c}{(4)}\\
                &\multicolumn{1}{c}{+Demographic}&\multicolumn{1}{c}{+Offshoring}&\multicolumn{1}{c}{+Skill}&\multicolumn{1}{c}{All}\\
\hline
Switching broad &                  &                  &                  &                  \\
Routine         &    0.950\sym{***}&    0.900\sym{***}&    0.865\sym{***}&    0.873\sym{***}\\
                &  (0.308)         &  (0.306)         &  (0.310)         &  (0.329)         \\
Female          &   -0.364         &   -0.373         &   -0.359         &   -0.577\sym{**} \\
                &  (0.273)         &  (0.275)         &  (0.276)         &  (0.291)         \\
Age             &    0.045\sym{***}&    0.046\sym{***}&    0.048\sym{***}&    0.042\sym{***}\\
                &  (0.009)         &  (0.008)         &  (0.009)         &  (0.009)         \\
Foreign born    &   -1.592\sym{***}&   -1.562\sym{***}&   -1.528\sym{***}&   -1.590\sym{***}\\
                &  (0.508)         &  (0.503)         &  (0.505)         &  (0.559)         \\
Education       &    0.021         &    0.022         &    0.020         &    0.013         \\
                &  (0.055)         &  (0.055)         &  (0.055)         &  (0.058)         \\
Offshorability  &                  &   -0.305         &   -0.326         &   -0.516         \\
                &                  &  (0.261)         &  (0.269)         &  (0.335)         \\
Skill-Specificity&                  &                  &    0.016         &    0.044         \\
                &                  &                  &  (0.033)         &  (0.036)         \\
Task-Tech       &                  &                  &                  &   -0.482         \\
                &                  &                  &                  &  (0.403)         \\
Task-Inter      &                  &                  &                  &   -0.299         \\
                &                  &                  &                  &  (0.396)         \\
Unemployed      &                  &                  &                  &   -1.111         \\
                &                  &                  &                  &  (0.956)         \\
Black           &                  &                  &                  &   -3.861\sym{***}\\
                &                  &                  &                  &  (1.077)         \\
Non-Believer    &                  &                  &                  &   -2.095\sym{***}\\
                &                  &                  &                  &  (0.509)         \\
Income          &      Yes         &      Yes         &      Yes         &      Yes         \\
Regional controls &      Yes         &      Yes         &      Yes         &      Yes         \\
\hline
Observations    &      770         &      770         &      767         &      767         \\
R$^2 p$         &    0.150         &    0.153         &    0.155         &    0.264         \\
AIC             &  613.107         &  613.307         &  610.766         &  547.849         \\
\hline\hline
\multicolumn{5}{l}{\footnotesize Standard errors in parentheses}\\
\multicolumn{5}{l}{\footnotesize \sym{*} \(p<0.1\), \sym{**} \(p<0.05\), \sym{***} \(p<0.01\)}\\
\end{tabular}
\end{table}
